The airplane ground environmental control system is the important task of ShenYang Hang Da airplane loading equipment company. It is investigated for the demand of new aeronautic equip.
空气循环制冷式飞机地面环境控制系统是沈阳航达机载设备公司立项的重点课题，是为满足新型航空装备的保障需求而研制的。
Beijing ri da hai hang freight co., LTD., a company which is specialized in the field of dealing with aviation transportation.
北京日达海行货运代理有限公司，专业从事航空货物运输代理的企业。
Beijing ri da hai hang freight co., LTD., a company which is specialized in the field of dealing with aviation transportation.
北京日达海行货运代理有限公司，专业从事航空货物运输代理的企业。
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